Amazon Deal Of The Day: Excelvan LM01 100ml Humidifier Diffuser Esstential Oil Aromatherapy Air Purifier Warm Mist with 4 Timer Settings & 7 Colors Changing LightUse ultrasonic waves to instantly vaporize water and essential oil in the tank, to produce a cool, dry fragrant mist.It can make the molecule of water and essential oils so tiny that it is easily absorbed by our body.4 Timer settings: 30/60/120/180 minutes. Monitor the shortage of water automatically and ensure the safety.There are 4 colors with 2 light degree levels available, 7 soothing color lights to choose by using manual mode.Aromatherapy by Excelvan